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-<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.
3</a> > <a href="./">Rewrite</a></div><div id="page-content"><div id="preamble"><h1>Using mod_rewrite for Proxying</h1>
+<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.
5</a> > <a href="./">Rewrite</a></div><div id="page-content"><div id="preamble"><h1>Using mod_rewrite for Proxying</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="../en/rewrite/proxy.html" title="English"> en </a></p>
</div>
-<p>This document supplements the <code class="module"><a href="../mod/mod_rewrite.html">mod_rewrite</a></code>
+<p>This document supplements the <code class="module"><a href="../mod/mod_rewrite.html">mod_rewrite</a></code>
<a href="../mod/mod_rewrite.html">reference documentation</a>. It describes
how to use the RewriteRule's [P] flag to proxy content to another server.
A number of recipes are provided that describe common scenarios.</p>
</div>
-<div id="quickview"><h3>See also</h3><ul class="seealso"><li><a href="../mod/mod_rewrite.html">Module documentation</a></li><li><a href="intro.html">mod_rewrite introduction</a></li><li><a href="remapping.html">Redirection and remapping</a></li><li><a href="access.html">Controlling access</a></li><li><a href="vhosts.html">Virtual hosts</a></li><li><a href="rewritemap.html">Using RewriteMap</a></li><li><a href="advanced.html">Advanced techniques and tricks</a></li><li><a href="avoid.html">When not to use mod_rewrite</a></li></ul></div>
+<div id="quickview"><h3>See also</h3><ul class="seealso"><li><a href="../mod/mod_rewrite.html">Module documentation</a></li><li><a href="intro.html">mod_rewrite introduction</a></li><li><a href="remapping.html">Redirection and remapping</a></li><li><a href="access.html">Controlling access</a></li><li><a href="vhosts.html">Virtual hosts</a></li><li><a href="rewritemap.html">Using RewriteMap</a></li><li><a href="advanced.html">Advanced techniques</a></li><li><a href="avoid.html">When not to use mod_rewrite</a></li><li><a href="#comments_section">Comments</a></li></ul></div>
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<div class="section">
<h2><a name="dynamic-proxy" id="dynamic-proxy">Proxying Content with mod_rewrite</a></h2>
<p>To simply map a URL to another server, we use the [P] flag, as
follows:</p>
-<div class="example"><pre>
-RewriteEngine on
-RewriteBase /products/
-RewriteRule ^<strong>widget/</strong>(.*)$ <strong>http://product.example.com/widget/</strong>$1 [<strong>P</strong>]
-ProxyPassReverse /products/widget/ http://product.example.com/widget/
-</pre></div>
+<pre class="prettyprint lang-config">RewriteEngine on
+RewriteBase "/products/"
+RewriteRule "^widget/(.*)$" "http://product.example.com/widget/$1" [P]
+ProxyPassReverse "/products/widget/" "http://product.example.com/widget/"</pre>
+
<p>In the second example, we proxy the request only if we can't find
the resource locally. This can be very useful when you're migrating
from one server to another, and you're not sure if all the content
has been migrated yet.</p>
-<div class="example"><pre>
-RewriteCond %{REQUEST_FILENAME} <strong>!-f</strong>
-RewriteCond %{REQUEST_FILENAME} <strong>!-d</strong>
-RewriteRule ^/(.*) http://<strong>old</strong>.example.com$1 [<strong>P</strong>]
-ProxyPassReverse / http://old.example.com/
-</pre></div>
+<pre class="prettyprint lang-config">RewriteCond "%{REQUEST_FILENAME}" !-f
+RewriteCond "%{REQUEST_FILENAME}" !-d
+RewriteRule "^/(.*)" "http://old.example.com/$1" [P]
+ProxyPassReverse "/" "http://old.example.com/"</pre>
+
</dd>
<dt>Discussion:</dt>
<dd><p>In each case, we add a <code class="directive"><a href="../mod/mod_proxy.html#proxypassreverse">ProxyPassReverse</a></code> directive to ensure
that any redirects issued by the backend are correctly passed on to
the client.</p>
-
- <p>Consider using either <code class="directive"><a href="../mod/mod_proxy.html#proxypass">ProxyPass</a></code> or <code class="directive"><a href="../mod/mod_rewrite.html#proxypassmatch">ProxyPassMatch</a></code> whenever possible in
+
+ <p>Consider using either <code class="directive"><a href="../mod/mod_proxy.html#proxypass">ProxyPass</a></code> or <code class="directive"><a href="../mod/mod_proxy.html#proxypassmatch">ProxyPassMatch</a></code> whenever possible in
preference to mod_rewrite.</p>
</dd>
</dl>
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<p><span>Available Languages: </span><a href="../en/rewrite/proxy.html" title="English"> en </a></p>
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